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-rw-r--r--drivers/misc/enclosure.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c
index d3fe3ea902d4..eb29113e0bac 100644
--- a/drivers/misc/enclosure.c
+++ b/drivers/misc/enclosure.c
@@ -375,6 +375,7 @@ int enclosure_add_device(struct enclosure_device *edev, int component,
struct device *dev)
{
struct enclosure_component *cdev;
+ int err;
if (!edev || component >= edev->components)
return -EINVAL;
@@ -384,12 +385,17 @@ int enclosure_add_device(struct enclosure_device *edev, int component,
if (cdev->dev == dev)
return -EEXIST;
- if (cdev->dev)
+ if (cdev->dev) {
enclosure_remove_links(cdev);
-
- put_device(cdev->dev);
+ put_device(cdev->dev);
+ }
cdev->dev = get_device(dev);
- return enclosure_add_links(cdev);
+ err = enclosure_add_links(cdev);
+ if (err) {
+ put_device(cdev->dev);
+ cdev->dev = NULL;
+ }
+ return err;
}
EXPORT_SYMBOL_GPL(enclosure_add_device);